public class a2022030103026 {
    public static void main(String[] args) {
        System.out.println("这是A功能\n");
        System.out.println("c功能");
        System.out.println("这是B功能\n");
        System.out.println("E");
        System.out.println("D");
        System.out.println("G");

        System.out.println("F");

    }
}
